2NW2
Crystal structure of ELS4 TCR at 1.4A
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1KGC |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.2 | 277 | 0.2M Ca(CH3COO)2, 0.1M TRIS (pH7.2), 18% PEG 3350, vapor diffusion, hanging drop, temperature 277K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.23 | 44.85 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 46.564 | α = 90 |
b = 84.163 | β = 107.34 |
c = 59.27 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | 2004-11-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 17-ID | APS | 17-ID |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||||||
1 | 1.35 | 50 | 78865 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1KGC | 1.4 | 30.56 | 78865 | 4198 | 96.93 | 0.19405 | 0.19249 | 0.22353 | RANDOM | 18.719 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.01 | -0.01 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.78 |
r_dihedral_angle_1_deg | 17.963 |
r_dihedral_angle_4_deg | 16.283 |
r_dihedral_angle_3_deg | 13.389 |
r_scangle_it | 4.744 |
r_scbond_it | 3.168 |
r_mcangle_it | 2.463 |
r_mcbond_it | 1.562 |
r_angle_refined_deg | 1.476 |
r_nbtor_refined | 0.304 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3536 |
Nucleic Acid Atoms | |
Solvent Atoms | 523 |
Heterogen Atoms |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data collection |
MOSFLM | data reduction |
CCP4 | data scaling |
MOLREP | phasing |